Gupta, S.L. & Hitesh, Gupta <br/><br/>
Research methodology  text and aases with SPSS applications 

 - 2nd ed 
 - International book house P. Ltd., New Dehli  2011 
 - xi,474 
<br/><br/><label>ISBN: </label>978-81-910642-5-4 
<br/><br/><label>Dewey Class. No.: </label>307.2 Gup/Gup